Louise has designed a great improv border for us for March and Yeechi was once again kind enough to put it into a printable for you. Clicking the tutorial below will take you to a printable if you’d like to print or save it. Make sure you use the #SeaMQGBOM hashtag when posting your progress online.
seattle modern quilt guild 
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Inset seams — you mean mitered borders?
Sure, that’s another way to think of it except they are already the correct size and angle when you attach them.